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Home >> Subaru >> 2016 >> Outback 2.5i Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Fuel Injection System (H6DO)) >> Mass Air Flow and Intake Air Temperature Sensor >> Inspection >> Check The Mass Air Flow Sensor Unit

Check The Mass Air Flow Sensor Unit

WARNING: This page is about a different variant/trim than selected.
  1. Connect the battery positive terminal to terminal No. 3 and the battery ground terminal to terminal No. 4, and connect the circuit tester positive terminal to terminal No. 5 and the circuit tester ground terminal to terminal No. 4.
    Fig 1: Connecting Battery Positive Terminal To Terminal No. 3 And Battery Ground Terminal To Terminal No. 4
    G10263593Courtesy of SUBARU OF AMERICA, INC.
  2. Check the voltage changes when air is blown to the mass air flow sensor unit in arrow direction.
    Fig 2: Locating Air Blow Passage
    G10263594Courtesy of SUBARU OF AMERICA, INC.